61987900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 148521744

約数和(自身を除く): 86533844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1163, 1300, 2050, 2132, 2326, 2665, 4100, 4652, 5330, 5815, 10660, 11630, 13325, 15119, 23260, 26650, 29075, 30238, 47683, 53300, 58150, 60476, 75595, 95366, 116300, 151190, 190732, 238415, 302380, 377975, 476830, 619879, 755950, 953660, 1192075, 1239758, 1511900, 2384150, 2479516, 3099395, 4768300, 6198790, 12397580, 15496975, 30993950, 61987900]

約数ペア:

[(1, 61987900), (2, 30993950), (4, 15496975), (5, 12397580), (10, 6198790), (13, 4768300), (20, 3099395), (25, 2479516), (26, 2384150), (41, 1511900), (50, 1239758), (52, 1192075), (65, 953660), (82, 755950), (100, 619879), (130, 476830), (164, 377975), (205, 302380), (260, 238415), (325, 190732), (410, 151190), (533, 116300), (650, 95366), (820, 75595), (1025, 60476), (1066, 58150), (1163, 53300), (1300, 47683), (2050, 30238), (2132, 29075), (2326, 26650), (2665, 23260), (4100, 15119), (4652, 13325), (5330, 11630), (5815, 10660)]