38180000

素因数分解:

$2^5\times 5^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 120

約数和(自身を含む): 99193248

約数和(自身を除く): 61013248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 83, 92, 100, 115, 125, 160, 166, 184, 200, 230, 250, 332, 368, 400, 415, 460, 500, 575, 625, 664, 736, 800, 830, 920, 1000, 1150, 1250, 1328, 1660, 1840, 1909, 2000, 2075, 2300, 2500, 2656, 2875, 3320, 3680, 3818, 4000, 4150, 4600, 5000, 5750, 6640, 7636, 8300, 9200, 9545, 10000, 10375, 11500, 13280, 14375, 15272, 16600, 18400, 19090, 20000, 20750, 23000, 28750, 30544, 33200, 38180, 41500, 46000, 47725, 51875, 57500, 61088, 66400, 76360, 83000, 92000, 95450, 103750, 115000, 152720, 166000, 190900, 207500, 230000, 238625, 305440, 332000, 381800, 415000, 460000, 477250, 763600, 830000, 954500, 1193125, 1527200, 1660000, 1909000, 2386250, 3818000, 4772500, 7636000, 9545000, 19090000, 38180000]

約数ペア:

[(1, 38180000), (2, 19090000), (4, 9545000), (5, 7636000), (8, 4772500), (10, 3818000), (16, 2386250), (20, 1909000), (23, 1660000), (25, 1527200), (32, 1193125), (40, 954500), (46, 830000), (50, 763600), (80, 477250), (83, 460000), (92, 415000), (100, 381800), (115, 332000), (125, 305440), (160, 238625), (166, 230000), (184, 207500), (200, 190900), (230, 166000), (250, 152720), (332, 115000), (368, 103750), (400, 95450), (415, 92000), (460, 83000), (500, 76360), (575, 66400), (625, 61088), (664, 57500), (736, 51875), (800, 47725), (830, 46000), (920, 41500), (1000, 38180), (1150, 33200), (1250, 30544), (1328, 28750), (1660, 23000), (1840, 20750), (1909, 20000), (2000, 19090), (2075, 18400), (2300, 16600), (2500, 15272), (2656, 14375), (2875, 13280), (3320, 11500), (3680, 10375), (3818, 10000), (4000, 9545), (4150, 9200), (4600, 8300), (5000, 7636), (5750, 6640)]