28907259440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3041}}^1\times {\mathrm{3833}}^1$

素因数の和:6918

約数の個数: 80

約数和(自身を含む): 69418342656

約数和(自身を除く): 40511083216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3041, 3833, 6082, 7666, 12164, 15205, 15332, 19165, 24328, 30410, 30664, 38330, 48656, 60820, 61328, 76660, 94271, 118823, 121640, 153320, 188542, 237646, 243280, 306640, 377084, 471355, 475292, 594115, 754168, 942710, 950584, 1188230, 1508336, 1885420, 1901168, 2376460, 3770840, 4752920, 7541680, 9505840, 11656153, 23312306, 46624612, 58280765, 93249224, 116561530, 186498448, 233123060, 361340743, 466246120, 722681486, 932492240, 1445362972, 1806703715, 2890725944, 3613407430, 5781451888, 7226814860, 14453629720, 28907259440]

約数ペア:

[(1, 28907259440), (2, 14453629720), (4, 7226814860), (5, 5781451888), (8, 3613407430), (10, 2890725944), (16, 1806703715), (20, 1445362972), (31, 932492240), (40, 722681486), (62, 466246120), (80, 361340743), (124, 233123060), (155, 186498448), (248, 116561530), (310, 93249224), (496, 58280765), (620, 46624612), (1240, 23312306), (2480, 11656153), (3041, 9505840), (3833, 7541680), (6082, 4752920), (7666, 3770840), (12164, 2376460), (15205, 1901168), (15332, 1885420), (19165, 1508336), (24328, 1188230), (30410, 950584), (30664, 942710), (38330, 754168), (48656, 594115), (60820, 475292), (61328, 471355), (76660, 377084), (94271, 306640), (118823, 243280), (121640, 237646), (153320, 188542)]