1986426625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 2773854720

約数和(自身を除く): 787428095

約数列:

[1, 5, 17, 23, 25, 85, 97, 115, 125, 391, 419, 425, 485, 575, 1649, 1955, 2095, 2125, 2231, 2425, 2875, 7123, 8245, 9637, 9775, 10475, 11155, 12125, 35615, 37927, 40643, 41225, 48185, 48875, 52375, 55775, 163829, 178075, 189635, 203215, 206125, 240925, 278875, 690931, 819145, 890375, 934789, 948175, 1016075, 1204625, 3454655, 4095725, 4673945, 4740875, 5080375, 15891413, 17273275, 20478625, 23369725, 79457065, 86366375, 116848625, 397285325, 1986426625]

約数ペア:

[(1, 1986426625), (5, 397285325), (17, 116848625), (23, 86366375), (25, 79457065), (85, 23369725), (97, 20478625), (115, 17273275), (125, 15891413), (391, 5080375), (419, 4740875), (425, 4673945), (485, 4095725), (575, 3454655), (1649, 1204625), (1955, 1016075), (2095, 948175), (2125, 934789), (2231, 890375), (2425, 819145), (2875, 690931), (7123, 278875), (8245, 240925), (9637, 206125), (9775, 203215), (10475, 189635), (11155, 178075), (12125, 163829), (35615, 55775), (37927, 52375), (40643, 48875), (41225, 48185)]