16840750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 33965568

約数和(自身を除く): 17124818

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 53, 62, 82, 106, 125, 155, 205, 250, 265, 310, 410, 530, 775, 1025, 1271, 1325, 1550, 1643, 2050, 2173, 2542, 2650, 3286, 3875, 4346, 5125, 6355, 6625, 7750, 8215, 10250, 10865, 12710, 13250, 16430, 21730, 31775, 41075, 54325, 63550, 67363, 82150, 108650, 134726, 158875, 205375, 271625, 317750, 336815, 410750, 543250, 673630, 1684075, 3368150, 8420375, 16840750]

約数ペア:

[(1, 16840750), (2, 8420375), (5, 3368150), (10, 1684075), (25, 673630), (31, 543250), (41, 410750), (50, 336815), (53, 317750), (62, 271625), (82, 205375), (106, 158875), (125, 134726), (155, 108650), (205, 82150), (250, 67363), (265, 63550), (310, 54325), (410, 41075), (530, 31775), (775, 21730), (1025, 16430), (1271, 13250), (1325, 12710), (1550, 10865), (1643, 10250), (2050, 8215), (2173, 7750), (2542, 6625), (2650, 6355), (3286, 5125), (3875, 4346)]