51815320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3313}}^1$

素因数の和:3364

約数の個数: 64

約数和(自身を含む): 128848320

約数和(自身を除く): 77033000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3313, 3910, 6626, 7820, 13252, 15640, 16565, 26504, 33130, 56321, 66260, 76199, 112642, 132520, 152398, 225284, 281605, 304796, 380995, 450568, 563210, 609592, 761990, 1126420, 1295383, 1523980, 2252840, 2590766, 3047960, 5181532, 6476915, 10363064, 12953830, 25907660, 51815320]

約数ペア:

[(1, 51815320), (2, 25907660), (4, 12953830), (5, 10363064), (8, 6476915), (10, 5181532), (17, 3047960), (20, 2590766), (23, 2252840), (34, 1523980), (40, 1295383), (46, 1126420), (68, 761990), (85, 609592), (92, 563210), (115, 450568), (136, 380995), (170, 304796), (184, 281605), (230, 225284), (340, 152398), (391, 132520), (460, 112642), (680, 76199), (782, 66260), (920, 56321), (1564, 33130), (1955, 26504), (3128, 16565), (3313, 15640), (3910, 13252), (6626, 7820)]